Solar flares on September 14, 2004
The most powerful solar flare in 24 hours
M1.5 (strong) flare - September 14 at 9:30 AM
Solar activity index
Value as of the end of the day on September 14, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 13, 2004 to September 14, 2004
Time zone — UTC+00
List of solar flares for September 14, 2004
The total number of solar flares of class C and higher — 4 flares
C class — 3 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.8 | 16:47 | 16:55 | 17:25 | — |
| C2.3 | 13:54 | 14:04 | 14:18 | — |
| M1.5 | 07:47 | 09:30 | 10:00 | 672 |
| C2.2 | 05:49 | 05:52 | 05:54 | 672 |